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diagnosis differential cardiology management ecg clinical electrocardiogram hematology nephrology endocrinology neurology treatment classification echocardiogram hepatology hyperkalemia obgyn pediatrics peds acute
The JT Interval and Pro-Arrhythmic Risk Measured from the J-point to the end of the T-wave, the
The JT Interval ... than prolonged QT ... interval in patients ... pathophysiology #ekg ... #ecg #cardiology
ECG Cheat Sheet ECG rapid view: It is organized roughly how one would typically read an ECG.
ECG Cheat Sheet ... EKG cheat sheet ... atrial, ventricle), Intervals ... (PR, QRS, QT), ... #EKG #Cheatsheet
Torsades de Pointes •Precipitated by drugs that prolong the QT interval •Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... Diagnosis #Cardiology #ECG ... #EKG
QT / QTc Interval Measurement in Irregular Rhythms 2 Approaches: • Measure and calculate the QTc for
QT / QTc Interval ... the associated QT ... the QTc for the QT ... on the EKG, and ... #ekg #electrocardiogram
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... interval ... Diagnosis #Cardiology #ECG ... #EKG
Digoxin effect on Electrocardiogram (EKG) Digoxin is a cardiac glycoside from the foxglove leaf Mechanism - Inhibits Na-K
Electrocardiogram (EKG ... nodal conduction Uses ... waves - Short QT ... interval Dr. ... Electrocardiogram #EKG
EKG Interpretation Cheat Sheet 1) Rate - Regular - Count-Off - Irregular - Count number
EKG Interpretation ... Flattened T waves QT ... • QT interval is ... formula: QTC = QT ... thumb: a normal QT
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
Normal QT Interval ... General rule: QT ... interval should ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Electrocardiographic Features of Digoxin Toxicity • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... Electrocardiogram #ekg ... #ecg #toxicology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
repolarization causes ... in conduction causes ... prolonged PR and QT ... intervals ... #Hyperkalemia #EKG
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